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Finding the Fourth Proportional to 40,113.40, 60,191.70 and 17,930.20

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Solution

The fourth proportional to 40,113.40, 60,191.70 and 17,930.20 is: 26,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.40 : 60,191.70 = 17,930.20 : x
  2. Step 2: Convert to fraction form
    40,113.40/60,191.70 = 17,930.20/x
  3. Step 3: Cross multiply
    40,113.40x = 60,191.70 × 17,930.20
  4. Step 4: Simplify right side
    40,113.40x = 1,079,249,219.34
  5. Step 5: Solve for x
    x = 1,079,249,219.34/40,113.40
  6. Step 6: Final answer
    x = 26,904.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.